| 摘要 |
Provided is a base station device which performs communication with a user device at the downstream link by using a shared channel and controls a transmission power of a control channel which reports an identifier of the user device which receives the shared channel and the transmission format of the shared channel. The base station device includes transmission power control means which controls a transmission power of the control channel according to radio quality information on the downlink reported from the user device and an offset value decided by the communication quality of the control channel.
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